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Alex17521 [72]
3 years ago
11

Which describe beta decay? Check all that apply 1.In beta decay, a proton becomes a neutron and a positron 2.In beta decay, a ne

utron becomes a proton and an electron 3.In beta decay, A neutron becomes a proton and a gamma ray 4.Beta decay releases energy 5.Beta decay releases a helium-4 nucleus.
answers: 1,2,4 on ed-genuity ..good luck!!!
Chemistry
2 answers:
777dan777 [17]3 years ago
7 0

Answer:

The correct statement are 1,2 and 4.

Explanation:

Beta minus decay: In this process, a neutron gets converted into a proton and an electron releasing a beta-particle. Along with release in energy.

The beta particle released carries a charge of -1 units.

_Z^A\textrm{X}\rightarrow _{Z+1}^A\textrm{Y}+_{-1}^0\beta

Beta plus decay: In this process, a proton gets converted to neutron and an electron neutrino and releases positron particles (beta particles with positive charge) .Along with release in energy

This particle carries a charge of +1 units.

_Z^A\textrm{X}\rightarrow _{Z-1}^A\textrm{Y}+_{+1}^0\beta

The correct statement are 1,2 and 4.

ivanzaharov [21]3 years ago
3 0

haha thanks again for the help.

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<u>Answer: </u>The correct statement is X is the effective nuclear charge, and it increases across a period.

<u>Explanation:</u>

We are given that:

X = number of protons − number of core electrons

Effective nuclear charge is defined as the actual nuclear charge (Z = number of protons) minus the screening effect caused by the electrons present between nucleus and valence electrons. These electrons are the core electrons.

The formula used for the calculation of effective nuclear charge given by Slater is:

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Hence, the correct answer is X is the effective nuclear charge, and it increases across a period.

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